Australia, the Land Down Under

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Australia, the Land Down Under

• Western Australia
• ..Leading the way in Herbicide Resistance

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Merredin Research Institute

• 10-12 rainfall
• In season rainfall
• Research
• Weed issues
• Water issues
• Drought
• Salinity

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16.8 million bushel storage depot
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Rapid adoption of No-Till

• Perceived soil moisture conservation
• Expected highly effect pre-emergent herbicide
  (Treflan) in no-till systems
• Fall in price of Roundup relative to diesel
• Higher average annual rainfall areas
• Increased following drought years
• DEmden, F. etal.Drivers of no-till
  adoption. University of Western Australia. 2006.

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Current weed management factors

• Among no-till adopters
• Up to 39 have, or plan to reduce no-till acres
• 64 attribute these plans to weed management
  problems

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Herbicide resistant weeds

• Capeweed
• Rigid Ryegrass
• Wild radish
• 17 in WA
• Including Roundup
• 2 with multiple resistance
• www.weedscience.org

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Wild Radish, Raphanus raphanistrum
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Vanessa Doug McGinniss
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Mick McGinniss
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Merredin weather data

• Daily data Merredin http//agspsrv34.agric.wa.go
  v.au/climate/livedata/mewebpag.htm
• Monthly outlook - WA
• http//www.agric.wa.gov.au/agency/Pubns/gso/GSOut
  look_index.htm

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We cant solve problems by using the same kind of
thinking we used when we created them. -- Albert
Einstein